It'd've 

1.) it would have; it-would-have
2.) it should have; it-should-have

1.) "If it weren't for Aaron saying his name wrong when the sub was taking names on the clipboard, it'd've not gotten snapped in half."

2.) "What do you mean the -inator failed?! It'd've had a simple and smooth run!"

It'd've by DrRwWwWrRr January 13, 2022

it'dve 

A contraction of the phrase "it would have".

And I'dve gotten away with it too, if it weren't for you meddling kids! And it'dve been easier without that fuckin' dog!

it'dve by S3phar0 August 11, 2010

Itdve 

A simple, lazy, CBA way of saying It Would Have. Often used with the following apostrophes It'd've

Mark: It'd've been nice to see that chick from work tonight.
John: Itdve been excellent to bang her.

Itdve by wmaker123 January 1, 2012